18897802

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{73}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 36720576

約数和(自身を除く): 17822774

約数列:

[1, 2, 7, 11, 14, 22, 41, 73, 77, 82, 146, 154, 287, 451, 511, 574, 803, 902, 1022, 1606, 1681, 2993, 3157, 3362, 5621, 5986, 6314, 11242, 11767, 18491, 20951, 23534, 32923, 36982, 41902, 65846, 122713, 129437, 230461, 245426, 258874, 460922, 858991, 1349843, 1717982, 2699686, 9448901, 18897802]

約数ペア:

[(1, 18897802), (2, 9448901), (7, 2699686), (11, 1717982), (14, 1349843), (22, 858991), (41, 460922), (73, 258874), (77, 245426), (82, 230461), (146, 129437), (154, 122713), (287, 65846), (451, 41902), (511, 36982), (574, 32923), (803, 23534), (902, 20951), (1022, 18491), (1606, 11767), (1681, 11242), (2993, 6314), (3157, 5986), (3362, 5621)]